Quantitative Aptitude - Arithmetic Ability Questions

P and Q undertook to do a work for Rs 7200. P alone could do it in 20 days and Q alone in 12 days. With the assistance of R they finished the work in 5days. What is the share (in Rs) of R?

Ms. Alina borrowed Rs.650 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?

The sum of radii of the two circles is 91 cm and the difference between their area is 2002 cm2 . What is the radius (in cm) of the larger circle?

What will be the value of a3+b3, if a2+b2=32 and a+b=8 ?

The corners of a square of side ‘a’ are cut away so as to form a regular octagon. What is the side of the octagon?

A cylindrical vessel of radius 8 cm is partially filled with water. By how much will the water level rise if a sphere of radius 7 cm is completely immersed in this water?

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?

Find the odd word/letters/number from the given alternatives.